Jake Peralta, a talented but carefree detective, and his colleagues meet their new captain -- Ray Holt, a tightly wound man determined to improve the dysfunctional 99th precinct.

Jake thinks the graffiti case he's investigating is below him until he discovers the culprit is the deputy commissioner's son; Gina's psychic friend gets under Charles's skin.

When Jake starts accumulating unsolved cases, the other detectives worry his losing streak will rub off on them; Amy, Rosa and Gina run a program for at-risk youth; Boyle helps Sgt. Jeffords with a case.

Jake hits on an attractive medical examiner at a crime scene and holds up the autopsy report; Amy's purse-snatching case is stalled when the sketch artist is out sick.

Jake vows to get revenge when a detective from Special Crimes takes over his nearly solved murder case; Captain Holt and Gina help Terry.

Unhappy Amy must wear a costume to go on patrol with Charles; Jake bets Holt he can steal his Medal of Valor.